The average train between Portsmouth and London St Pancras Intl takes 2h 5m and the fastest train takes 1h 44m. The train runs at least 2 times per hour from Portsmouth to London St Pancras Intl. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 30 minutes between Portsmouth and London St Pancras Intl. The earliest departure is at 4:35 AM at night, and the last departure from Portsmouth is at 10:37 PM which arrives into London St Pancras Intl at 5:48 AM. All services require a transfer at London Waterloo Station and take an average of 2h 5m. The schedules shown below are for the next available departures.
Want to know about travelling from Portsmouth to London St Pancras Intl? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Portsmouth to London St Pancras Intl. However, there are services departing from Portsmouth station and arriving at London St Pancras Intl station via London Waterloo. The journey, including transfers, takes approximately 2h 5m.
Portsmouth to London St Pancras Intl train services, operated by South Western Railway, depart from Portsmouth & Southsea station.
Portsmouth to London St Pancras Intl train services, operated by South Western Railway, arrive at London Waterloo station.
Book your Portsmouth to London St Pancras Intl train tickets online with South Western Railway and London Underground (Tube).
The distance between Portsmouth and London St Pancras Intl is 105.7 km. The road distance is 122 km.
South Western Railway operates a train from Portsmouth & Southsea to London Waterloo every 30 minutes. Tickets cost £30–70 and the journey takes 1h 31m.
